Gun-sight.



OR 1Q111Qa32 e. A. VOIGT GUN SIGHT.

APPLIOATION FILED DBO.17, 1913.

Patented Sept. 22, 1914.

a M a. 1 w 5 m r E F m R v R O N E H 1 m-LITHCL, WASHINGTON, LL C.

GUSTAV A. VOIGT, OF LOS ANGELES, CALIFORNIA.

GUN-SIGHT.

Specification of Letters Patent.

Patented Sept. 22, 1914.

Application filed December 17, 1913. Serial No. 807,252.

To all whom it may concern Be it known that I, GUSTAV A. VOIGT, a citizen of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented a new and useful Gun-Sight, of which the following is a specification.

This invention relates to gun sights and particularly to aperture sights, such as commonly used as rear sights on rifles.

The primary object of the invention is to provide such a rear sight with an aperture that can be instantly adjusted to suit the eye, the light conditions, and the object aimed at.

The invention comprises structurally a body member having a sight opening which is partially closed by thin plates, one or more of which may have a notched end, the aperture being formed by the junction of the thin plates, which are so actuated as to always form the aperture centrally in the sight. The plates may be so notched as to make either a triangular or a quadrilateral aperture.

Further objects and advantages of the invention and details in the construction and arrangement of the parts of a convenient embodiment of the invention will be apparent from the specific description hereinafter contained when read in connection with the accompanying drawings forming part hereof and wherein said embodiment is illustrated.

In the drawings: Figure 1 is a side elevation of the invention applied to a rifle shown in dotted lines. Fig. 2 isan elevation as seen from the rear showing a triangular aperture. Fig. 3 is a similar elevation partly in section. Figs. 4, 5, 6, and 7 are perspective views of the various parts, and Fig. 8 is an elevation similar to Fig. 2 but showing a quadrilateral aperture.

Referring more specifically to the drawings 10 is a body member consisting of a stem 11 having an opening 12 therein and a body 13. The body 13 is provided with a slot 14 and a shallow groove 15 around its inner surface. A rectangular slot 16 crosses the opening 12 and thin overlapping plates 17 and 18 provided with pins 19 slide therein. A cam plate 20 fits into and turns in the body-13 directly over the plates 17 and 18 having an opening 21 registering with the opening 12, inclined slots 22 engaging the pins 19, and a finger lever 23 which pmjects through the slot 14 and by which the aperture is adjusted. A cover plate 24 fits over and retains the cam plate The invention may be mounted on a rifle in any convenient manner. One method of mounting it is shown in' Fig. 1 in which an arm 27 is pivoted on a screw 28 on the side of the rifle 29. The arm 27 is provided with a slot 30 sliding on a screw 31 to which it is secured by a clamping arm 32. The body 10 of the invention is secured in a projection 33 on the arm 27, the particular arrangement shown being designed to permit of ready elevation of the sight for various distances. The method of mounting shown in Fig. 1 is chosen for illustrative purposes only and any other method may be used without departing from the spirit of the invention.

The invention is operated by moving the finger lever 23 to left or right thereby rotating the cam plate 20. The pins 19 project into the slots 22 and are constrained to move radially in the body 13 by the slot 16. As the cam plate 20 turns the inclination of the slots 22 is such that the pins 19 are moved in or out from the center of the opening 12. The plates 17 and 18 overlap their juncture forming a triangular aperture 34. If desired both of the plates 17 and 18 may be notched to form the quadrilateral aperture 35 shown in Fig. 8. Both of the plates 17 and 18 are moved by the slots 22 in such a manner that the aperture whatever its size is central in the opening 12. The sight is used with any of the Well known forms of front sights and is adjusted to suit the user under the conditions used. When properly adjusted the aperture appears circular regardless of the form of said aperture. The sight may be readily dismantled for cleaning by turning the cover plate 24 with the thumb until one of the projections 25 registers with the slot 14 when it can be readily removed. After the cover plate has been taken out the other parts may be readily removed and the plates 17 and 18 may be replaced by others such for example as those shown in Fig. 8.

While one embodiment of the invention is illustrated and described herein, it will be apparent to those skilled in the art that the invention is capable of being embodied in other forms and devices without departing from the spirit thereof.

I claim:

1. A gun sight comprising a body member formed of a stem having an axial stem opening therethrough and a body having a body opening located concentrically with and forming an extension of said stem opening, said body having a shallow slot in the face thereof and a groove near the outer edge of said body opening, aperture members sliding in said slot, means for sliding said aperture members, and means co-acting with said groove to hold all the elements of said gun sight together.

2. A gun sight comprising a body member formed of a stem having an axial stem opening therethrough and a body having a body opening located concentrically with and forming an extension of said stem opening, said body having a shallow slot in the face thereof and a groove near the outer edge of said body opening, flat plates sliding in said slot, a cam plate for sliding said plates, and a cover plate fitting into said groove and holding the other elements in operative relation.

3. A gun sight comprising a body member formed of a stem having an axial stem opening therethrough and a body having a body opening located concentrically with and forming an extension of said stem opening, said body having a shallow slot in the face thereof and a groove near the outer edge of said body opening, flat plates sliding in said slot, a pin in each plate, a cam plate provided with slots for engaging and actuating pins, and a cover plate fitting into said groove and holding the other elements in operative relation.

4. A gun sight comprising a body member having an axial opening therethrough and having a slot at right angles to said opening, aperture members sliding in said slot, and means for sliding said aperture members so formed that the aperture is always concentric with the hole..

5. A gun sight comprising a body member having an axial sight opening therethrough, aperture members mounted to slide in said body member in a plane to which said opening is perpendicular, actuating means for said aperture members, and means for securing said aperture members and said actuat ing means in said body member.

6. A gun sight comprising a body member having an axial opening therethrough, aperture members having one end cut away to form an aperture, a cam plate for sliding said aperture members, and a cover plate for retaining said cam plate and aperture members in said body member.

In testimony whereof, I have hereunto set my hand at Los Angeles, California, this 11th day of December, 1918.

GUSTAV A. VOIGT.

In presence of F RED A. MANSFIELD, FRANK L. A. GRAHAM.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. 0. 

